enum {
  TX_NUM_0 = 0,
  TX_NUM_1,
  TX_NUM_2,
  TX_NUM_3,
  TX_NUM_4,
  TX_NUM_5,
  TX_NUM_6,
  TX_NUM_7,
  TX_NUM_8,
  TX_NUM_9,
  TX_RED_BALLOON,
  TX_BASKET,
  TX_BALLOON_ICON,
  TX_YELLOW_STAR,
  TX_RED_STAR,
  TX_GREEN_STAR,
  TX_SPLASH_SCREEN,
  TX_HIGH_SCORES,
  TX_GAME_OVER,
  TX_MAIN_MENU,
  TX_START_BUTTON,
  TX_START_BUTTON_OVER,
  TX_HIGH_SCORES_BUTTON,
  TX_HIGH_SCORES_BUTTON_OVER,
  TX_CLOUD_1,
  TX_CLOUD_2,
  TX_CLOUD_3,
  TX_CLOUD_4,
  TX_FOREGRASS,
  TX_BUILDING,
  TX_STARRY_NIGHT,
  TX_SOUND_IS_ON,
  TX_SOUND_IS_ON_OVER,
  TX_SOUND_IS_OFF,
  TX_SOUND_IS_OFF_OVER,
  TX_INSTRUCTIONS,
  TX_INSTRUCTIONS_BUTTON,
  TX_INSTRUCTIONS_BUTTON_OVER,
  NUMBER_OF_TEXTURES
};
